21320400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 69345760

約数和(自身を除く): 48025360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 109, 120, 150, 163, 200, 218, 240, 300, 326, 327, 400, 436, 489, 545, 600, 652, 654, 815, 872, 978, 1090, 1200, 1304, 1308, 1630, 1635, 1744, 1956, 2180, 2445, 2608, 2616, 2725, 3260, 3270, 3912, 4075, 4360, 4890, 5232, 5450, 6520, 6540, 7824, 8150, 8175, 8720, 9780, 10900, 12225, 13040, 13080, 16300, 16350, 17767, 19560, 21800, 24450, 26160, 32600, 32700, 35534, 39120, 43600, 48900, 53301, 65200, 65400, 71068, 88835, 97800, 106602, 130800, 142136, 177670, 195600, 213204, 266505, 284272, 355340, 426408, 444175, 533010, 710680, 852816, 888350, 1066020, 1332525, 1421360, 1776700, 2132040, 2665050, 3553400, 4264080, 5330100, 7106800, 10660200, 21320400]

約数ペア:

[(1, 21320400), (2, 10660200), (3, 7106800), (4, 5330100), (5, 4264080), (6, 3553400), (8, 2665050), (10, 2132040), (12, 1776700), (15, 1421360), (16, 1332525), (20, 1066020), (24, 888350), (25, 852816), (30, 710680), (40, 533010), (48, 444175), (50, 426408), (60, 355340), (75, 284272), (80, 266505), (100, 213204), (109, 195600), (120, 177670), (150, 142136), (163, 130800), (200, 106602), (218, 97800), (240, 88835), (300, 71068), (326, 65400), (327, 65200), (400, 53301), (436, 48900), (489, 43600), (545, 39120), (600, 35534), (652, 32700), (654, 32600), (815, 26160), (872, 24450), (978, 21800), (1090, 19560), (1200, 17767), (1304, 16350), (1308, 16300), (1630, 13080), (1635, 13040), (1744, 12225), (1956, 10900), (2180, 9780), (2445, 8720), (2608, 8175), (2616, 8150), (2725, 7824), (3260, 6540), (3270, 6520), (3912, 5450), (4075, 5232), (4360, 4890)]